US8419648B2 - Ultra miniature pressure sensor - Google Patents
Ultra miniature pressure sensor Download PDFInfo
- Publication number
- US8419648B2 US8419648B2 US11/303,249 US30324905A US8419648B2 US 8419648 B2 US8419648 B2 US 8419648B2 US 30324905 A US30324905 A US 30324905A US 8419648 B2 US8419648 B2 US 8419648B2
- Authority
- US
- United States
- Prior art keywords
- pressure sensor
- sensor apparatus
- flexible element
- hypotube
- solid state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/141—Monolithic housings, e.g. molded or one-piece housings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6851—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
- G01L19/0084—Electrical connection means to the outside of the housing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/147—Details about the mounting of the sensor to support or covering means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/149—Housings of immersion sensor, e.g. where the sensor is immersed in the measuring medium or for in vivo measurements, e.g. by using catheter tips
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0054—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements integral with a semiconducting diaphragm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09008—Guide wires having a balloon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09058—Basic structures of guide wires
- A61M2025/09083—Basic structures of guide wires having a coil around a core
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
Abstract
Description
Claims (75)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/303,249 US8419648B2 (en) | 1994-09-02 | 2005-12-15 | Ultra miniature pressure sensor |
US11/442,684 US20070149885A1 (en) | 1994-09-02 | 2006-05-26 | Ultra miniature pressure sensor |
US11/650,064 US7967762B2 (en) | 1994-09-02 | 2007-01-04 | Ultra miniature pressure sensor |
US13/169,174 US8419647B2 (en) | 1994-09-02 | 2011-06-27 | Ultra miniature pressure sensor |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30044594A | 1994-09-02 | 1994-09-02 | |
US08/710,062 US5715827A (en) | 1994-09-02 | 1996-09-09 | Ultra miniature pressure sensor and guide wire using the same and method |
US08/912,879 US6106476A (en) | 1994-09-02 | 1997-08-15 | Ultra miniature pressure sensor and guide wire using the same and method |
US09/644,111 US6767327B1 (en) | 1994-09-02 | 2000-08-21 | Method of measuring blood pressure and velocity proximally and distally of a stenosis |
US10/247,043 US6976965B2 (en) | 1994-09-02 | 2002-09-19 | Ultra miniature pressure sensor |
US11/303,249 US8419648B2 (en) | 1994-09-02 | 2005-12-15 | Ultra miniature pressure sensor |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/247,043 Continuation US6976965B2 (en) | 1994-09-02 | 2002-09-19 | Ultra miniature pressure sensor |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/442,684 Continuation US20070149885A1 (en) | 1994-09-02 | 2006-05-26 | Ultra miniature pressure sensor |
US11/650,064 Continuation US7967762B2 (en) | 1994-09-02 | 2007-01-04 | Ultra miniature pressure sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
US20060094982A1 US20060094982A1 (en) | 2006-05-04 |
US8419648B2 true US8419648B2 (en) | 2013-04-16 |
Family
ID=23159131
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/710,062 Expired - Lifetime US5715827A (en) | 1994-09-02 | 1996-09-09 | Ultra miniature pressure sensor and guide wire using the same and method |
US08/912,879 Expired - Lifetime US6106476A (en) | 1994-09-02 | 1997-08-15 | Ultra miniature pressure sensor and guide wire using the same and method |
US09/644,111 Expired - Lifetime US6767327B1 (en) | 1994-09-02 | 2000-08-21 | Method of measuring blood pressure and velocity proximally and distally of a stenosis |
US10/247,391 Expired - Fee Related US7097620B2 (en) | 1994-09-02 | 2002-09-19 | Guidewire with pressure and temperature sensing capabilities |
US10/247,043 Expired - Fee Related US6976965B2 (en) | 1994-09-02 | 2002-09-19 | Ultra miniature pressure sensor |
US11/303,249 Expired - Fee Related US8419648B2 (en) | 1994-09-02 | 2005-12-15 | Ultra miniature pressure sensor |
US11/442,684 Abandoned US20070149885A1 (en) | 1994-09-02 | 2006-05-26 | Ultra miniature pressure sensor |
US11/650,064 Expired - Fee Related US7967762B2 (en) | 1994-09-02 | 2007-01-04 | Ultra miniature pressure sensor |
US13/169,174 Expired - Fee Related US8419647B2 (en) | 1994-09-02 | 2011-06-27 | Ultra miniature pressure sensor |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/710,062 Expired - Lifetime US5715827A (en) | 1994-09-02 | 1996-09-09 | Ultra miniature pressure sensor and guide wire using the same and method |
US08/912,879 Expired - Lifetime US6106476A (en) | 1994-09-02 | 1997-08-15 | Ultra miniature pressure sensor and guide wire using the same and method |
US09/644,111 Expired - Lifetime US6767327B1 (en) | 1994-09-02 | 2000-08-21 | Method of measuring blood pressure and velocity proximally and distally of a stenosis |
US10/247,391 Expired - Fee Related US7097620B2 (en) | 1994-09-02 | 2002-09-19 | Guidewire with pressure and temperature sensing capabilities |
US10/247,043 Expired - Fee Related US6976965B2 (en) | 1994-09-02 | 2002-09-19 | Ultra miniature pressure sensor |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/442,684 Abandoned US20070149885A1 (en) | 1994-09-02 | 2006-05-26 | Ultra miniature pressure sensor |
US11/650,064 Expired - Fee Related US7967762B2 (en) | 1994-09-02 | 2007-01-04 | Ultra miniature pressure sensor |
US13/169,174 Expired - Fee Related US8419647B2 (en) | 1994-09-02 | 2011-06-27 | Ultra miniature pressure sensor |
Country Status (7)
Country | Link |
---|---|
US (9) | US5715827A (en) |
EP (2) | EP1658808A1 (en) |
JP (1) | JP3619845B2 (en) |
AU (1) | AU3212895A (en) |
CA (1) | CA2198909A1 (en) |
DE (1) | DE69534748T2 (en) |
WO (1) | WO1996007351A1 (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140081244A1 (en) * | 2012-09-17 | 2014-03-20 | Boston Scientific Scimed, Inc. | Pressure sensing guidewire |
US20140288444A1 (en) * | 2011-11-09 | 2014-09-25 | St. Jude Medical Systems Ab | Sensor guide wire |
US20160213893A1 (en) * | 2013-09-09 | 2016-07-28 | Pryor Medical Devices, Inc. | Low profile occlusion catheter |
US9877660B2 (en) | 2013-11-14 | 2018-01-30 | Medtronic Vascular Galway | Systems and methods for determining fractional flow reserve without adenosine or other pharmalogical agent |
US9913585B2 (en) | 2014-01-15 | 2018-03-13 | Medtronic Vascular, Inc. | Catheter for providing vascular pressure measurements |
US10105107B2 (en) | 2015-01-08 | 2018-10-23 | St. Jude Medical International Holding S.À R.L. | Medical system having combined and synergized data output from multiple independent inputs |
US10111669B2 (en) | 2010-04-21 | 2018-10-30 | The Regents Of The University Of Michigan | Fluoroscopy-independent, endovascular aortic occlusion system |
US10130269B2 (en) | 2013-11-14 | 2018-11-20 | Medtronic Vascular, Inc | Dual lumen catheter for providing a vascular pressure measurement |
US10149962B2 (en) | 2015-03-19 | 2018-12-11 | Prytime Medical Devices, Inc. | System and method for low-profile occlusion balloon catheter |
US10194812B2 (en) | 2014-12-12 | 2019-02-05 | Medtronic Vascular, Inc. | System and method of integrating a fractional flow reserve device with a conventional hemodynamic monitoring system |
US10201284B2 (en) | 2014-06-16 | 2019-02-12 | Medtronic Vascular Inc. | Pressure measuring catheter having reduced error from bending stresses |
US10232142B2 (en) | 2014-06-10 | 2019-03-19 | Prytime Medical Devices, Inc. | Conduit guiding tip |
US10368872B2 (en) | 2016-06-02 | 2019-08-06 | Prytime Medical Devices, Inc. | System and method for low profile occlusion balloon catheter |
US10646122B2 (en) | 2017-04-28 | 2020-05-12 | Medtronic Vascular, Inc. | FFR catheter with covered distal pressure sensor and method of manufacture |
US10953204B2 (en) | 2017-01-09 | 2021-03-23 | Boston Scientific Scimed, Inc. | Guidewire with tactile feel |
US10973418B2 (en) | 2014-06-16 | 2021-04-13 | Medtronic Vascular, Inc. | Microcatheter sensor design for minimizing profile and impact of wire strain on sensor |
US11058307B2 (en) | 2016-02-23 | 2021-07-13 | Boston Scientific Scimed, Inc. | Pressure sensing guidewire systems including an optical connector cable |
US11185244B2 (en) | 2018-08-13 | 2021-11-30 | Medtronic Vascular, Inc. | FFR catheter with suspended pressure sensor |
US11219741B2 (en) | 2017-08-09 | 2022-01-11 | Medtronic Vascular, Inc. | Collapsible catheter and method for calculating fractional flow reserve |
US11235124B2 (en) | 2017-08-09 | 2022-02-01 | Medtronic Vascular, Inc. | Collapsible catheter and method for calculating fractional flow reserve |
US11272850B2 (en) | 2016-08-09 | 2022-03-15 | Medtronic Vascular, Inc. | Catheter and method for calculating fractional flow reserve |
US11311196B2 (en) | 2018-02-23 | 2022-04-26 | Boston Scientific Scimed, Inc. | Methods for assessing a vessel with sequential physiological measurements |
US11330989B2 (en) | 2014-06-16 | 2022-05-17 | Medtronic Vascular, Inc. | Microcatheter sensor design for mounting sensor to minimize induced strain |
US11330994B2 (en) | 2017-03-08 | 2022-05-17 | Medtronic Vascular, Inc. | Reduced profile FFR catheter |
US11559213B2 (en) | 2018-04-06 | 2023-01-24 | Boston Scientific Scimed, Inc. | Medical device with pressure sensor |
US11564581B2 (en) | 2017-08-03 | 2023-01-31 | Boston Scientific Scimed, Inc. | Methods for assessing fractional flow reserve |
US11596411B2 (en) | 2017-04-21 | 2023-03-07 | The Regents Of The University Of California | Aortic flow meter and pump for partial-aortic occlusion |
US11602592B2 (en) | 2017-01-12 | 2023-03-14 | The Regents Of The University Of California | Endovascular perfusion augmentation for critical care |
US11633192B2 (en) | 2020-03-16 | 2023-04-25 | Certus Critical Care, Inc. | Blood flow control devices, systems, and methods |
US11666232B2 (en) | 2018-04-18 | 2023-06-06 | Boston Scientific Scimed, Inc. | Methods for assessing a vessel with sequential physiological measurements |
US11850073B2 (en) | 2018-03-23 | 2023-12-26 | Boston Scientific Scimed, Inc. | Medical device with pressure sensor |
Families Citing this family (339)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1996007351A1 (en) * | 1994-09-02 | 1996-03-14 | Cardiometrics, Inc. | Ultra miniature pressure sensor and guidewire using the same and method |
SE9600334D0 (en) * | 1996-01-30 | 1996-01-30 | Radi Medical Systems | Combined flow, pressure and temperature sensor |
US6019728A (en) * | 1996-05-08 | 2000-02-01 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Catheter and sensor having pressure detecting function |
IL127138A0 (en) * | 1996-05-20 | 1999-09-22 | Percusurge Inc | Catheter balloon core wire |
DE19638813C1 (en) * | 1996-09-20 | 1998-03-05 | Sican F & E Gmbh Sibet | Measuring device for medical applications with an intracorporeally usable sensor element and method for its production |
ES2208963T3 (en) * | 1997-01-03 | 2004-06-16 | Biosense, Inc. | PRESSURE SENSITIVE VASCULAR ENDOPROTESIS. |
US6190332B1 (en) | 1998-02-19 | 2001-02-20 | Percusurge, Inc. | Core wire with shapeable tip |
US6355016B1 (en) | 1997-03-06 | 2002-03-12 | Medtronic Percusurge, Inc. | Catheter core wire |
EP0973438B1 (en) * | 1997-03-25 | 2003-11-26 | Radi Medical Systems Ab | Device for pressure measurements |
US6248083B1 (en) | 1997-03-25 | 2001-06-19 | Radi Medical Systems Ab | Device for pressure measurements |
JPH1133004A (en) * | 1997-07-15 | 1999-02-09 | Nippon B X I Kk | Guide wire with pressure sensor |
WO1999034724A2 (en) * | 1998-01-12 | 1999-07-15 | Florence Medical Ltd. | Characterizing blood vessel using multi-point pressure measurements |
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US6210339B1 (en) * | 1999-03-03 | 2001-04-03 | Endosonics Corporation | Flexible elongate member having one or more electrical contacts |
US6471656B1 (en) | 1999-06-25 | 2002-10-29 | Florence Medical Ltd | Method and system for pressure based measurements of CFR and additional clinical hemodynamic parameters |
US20030032886A1 (en) * | 1999-03-09 | 2003-02-13 | Elhanan Dgany | System for determining coronary flow reserve (CFR) value for a stenosed blood vessel, CFR processor therefor, and method therefor |
US6546787B1 (en) | 1999-03-25 | 2003-04-15 | Regents Of The University Of Minnesota | Means and method for modeling and treating specific tissue structures |
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Also Published As
Publication number | Publication date |
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US7097620B2 (en) | 2006-08-29 |
US5715827A (en) | 1998-02-10 |
WO1996007351A1 (en) | 1996-03-14 |
EP0778746A4 (en) | 1997-11-05 |
US20030040674A1 (en) | 2003-02-27 |
US20110251497A1 (en) | 2011-10-13 |
DE69534748D1 (en) | 2006-04-06 |
US6976965B2 (en) | 2005-12-20 |
EP1658808A1 (en) | 2006-05-24 |
US6106476A (en) | 2000-08-22 |
US7967762B2 (en) | 2011-06-28 |
CA2198909A1 (en) | 1996-03-14 |
DE69534748T2 (en) | 2006-11-02 |
AU3212895A (en) | 1996-03-27 |
US20070135718A1 (en) | 2007-06-14 |
US20030018273A1 (en) | 2003-01-23 |
EP0778746B1 (en) | 2006-01-11 |
US6767327B1 (en) | 2004-07-27 |
US20070149885A1 (en) | 2007-06-28 |
JPH10505269A (en) | 1998-05-26 |
US20060094982A1 (en) | 2006-05-04 |
US8419647B2 (en) | 2013-04-16 |
EP0778746A1 (en) | 1997-06-18 |
JP3619845B2 (en) | 2005-02-16 |
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